Plate stand



FIG. 1 is a side perspective view of a plate stand;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof:

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines in the above-described figures are for illustrativepurposes only and form no part of the presently claimed design.

CLAIM The ornamental design for a plate stand, as shown and described.